Patents by Inventor Hiedeaki Okada

Hiedeaki Okada has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Axle driving apparatus
    Patent number: 7017446
    Abstract: An axle driving apparatus wherein a hydraulic motor and a hydraulic pump for a hydro-static-transmission are housed in a transmission casing of the axle driving apparatus and a center section for connecting the hydraulic motor and hydraulic pump is disposed in the transmission casing, the center section being fixed at the butt joint portion at the transmission casing, and an oil passage from the hydraulic pump to the hydraulic motor at the center section is bent at a right angle so as to extend the motor shaft in parallel to the axles, so that the rotation direction of the motor shaft conventionally changed by bevel gears is changed by the oil passages in the center section.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: March 28, 2006
    Inventors: Hiedeaki Okada, Shusuke Nemoto
  • Axle driving apparatus
    Publication number: 20050217919
    Abstract: An axle driving apparatus wherein a hydraulic motor and a hydraulic pump for a hydro-static-transmission are housed in a transmission casing of the axle driving apparatus and a center section for connecting the hydraulic motor and hydraulic pump is disposed in the transmission casing, the center section being fixed at the butt joint portion at the transmission casing, and an oil passage from the hydraulic pump to the hydraulic motor at the center section is bent at a right angle so as to extend the motor shaft in parallel to the axles, so that the rotation direction of the motor shaft conventionally changed by bevel gears is changed by the oil passages in the center section.
    Type: Application
    Filed: June 7, 2005
    Publication date: October 6, 2005
    Inventors: Hiedeaki Okada, Shusuke Nemoto, Ryota Ohashi